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Wearable · in-bra

Eufy S1 Pro

By Eufy
4.8 (80 reviews)
Expert Tip
Great for multitasking. Everything fits discreetly in your bra with no cords or motor to clip on, so you can pump while working, commuting, or chasing toddlers.

Experience a comfortable, personalized breastfeeding journey with the eufy Wearable Breast Pump S1 Pro, the only pump featuring soothing heat technology that enhances milk flow and minimizes clogs thr...

Insurance

Covered by insurance

Most moms are fully covered for this pump. The check takes about 2 minutes — we handle the paperwork.

CoveredFully covered by most plans
Max Coverage Guarantee — if your plan qualifies for a better benefit, we apply it automatically.
Get this pump through insurance
  • 2-minute eligibility check — have your insurance card handy
  • Order window: most plans allow anytime during pregnancy
  • Plan not covered? You still get our Moms First price — 20% off retail.
Moms First
Retail

Buy with Moms First

Order direct, no insurance needed — most moms add a second pump this way. Moms First members save 20% and get 2 expert-led classes.

$349.99
  • Ships same day by 2 PM ET, arrives in 1–3 business days
  • Free Breastfeeding 101 + Pumping Basics
Free delivery HSA/FSA eligible Max coverage guarantee
About the Eufy S1 Pro

Why moms choose
the Eufy S1 Pro.

Experience a comfortable, personalized breastfeeding journey with the eufy Wearable Breast Pump S1 Pro, the only pump featuring soothing heat technology that enhances milk flow and minimizes clogs through seven adjustable heat settings (95°F to 105°F). Perfect for on-the-go convenience, the portable charging case provides up to 5 days of power, while customizable options like 7 suction intensities, 3 cycle speeds, and 4 OptiRhythm™ rhythms maximize output with efficient hospital-grade suction of up to 290 mmHg. Enjoy ultra-quiet operation at just 46dB for superior privacy, and a leakproof, double-sealed design ensures discreet in-bra use. Made from soft, high-grade silicone, the pump offers a range of flange sizes (17 mm to 24 mm) to fit moms of all sizes. Seamlessly track your breastfeeding journey with the eufy App, allowing you to log milk volume, monitor session details, and set a timer for pre-warming the pump up to 15 minutes prior to use. Develop a tailored pumping schedule to suit your most productive times, all while feeling empowered and focused on your well-being.

Ideal for

Who the Eufy S1 Pro
is built for.

Working moms

Pump discreetly during meetings, commutes, or while chasing toddlers — no cords, no setup, no interruptions.

Moms on the go

Fits in your bra and works anywhere. Perfect for errands, travel, or just getting out of the house.

Exclusive pumpers

Multiple daily sessions are easier when you can move freely. Pair with a tabletop pump for variety.

What's in the box

What you get

  • 2 - Eufy S1 pump motor
  • 1 - Charging case
  • 2 - 17 mm insert
  • 2 - 19 mm insert
  • 2 - 21 mm insert
  • 2 - 24mm flange
  • 2 - Extra duckbill valve
  • 2 - Magnetic charging cable
  • 1 - Cleaning brush
  • 2 - Dust Cover
Specs

The technical part.

Brand
Eufy
Manufacturer Part Number
T8D04121
UPC
194644039714
Breast Pump Type
Double Electric Breast Pump
Pumping Options
Single or Double Pumping
Vacuum (max mmHg)
300 mmHg
Suction Modes
Stimulation (7 Levels) & Expression Mode (7 Levels)
System Type
Closed System / Backflow Protection
Power Source
Rechargeable battery; USB adaptor
Battery Life
120 Minutes
Charging Time
90 Minutes
Milk Capacity
5 fluid ounces
BPA Free
Yes
HSA/ FSA Eligible
Yes
App Connectivity
Apple; Android
Warranty
1 year on pump motor and 90 days on accessories; Email babysupport@eufy.com for service
Replacement parts & resupply

Keep your Eufy S1 Pro
working like new.

MilkZoom · Recommended

Replacement parts. Shipped monthly. Through your insurance.

Duckbills, diaphragms, tubing, breast shields, storage bags — all shipped to your door every month, billed to your insurance. Most moms are fully covered.

Learn More
$71.33
Average monthly value covered through insurance
Average across 1NW MilkZoom members with insurance coverage. Individual savings vary by plan and pump model.

Compatible parts at retail.

Need a single part rather than a recurring shipment? These are the Eufy Eufy S1 Pro-compatible parts available for one-off purchase. If your plan covers MilkZoom, the program above offfers better economics — these retail options are for moms whose insurance doesn't cover resupply, or who just need one specific item right now.

Answered honestly

Common questions
about the Eufy S1 Pro.

Real questions our IBCLC team and care concierge get every week. Don't see yours? Ask our care team — included with every pump.

Most insurance plans cover breast pumps at no cost to you under the Affordable Care Act. The Eufy S1 Pro is one of our most popular covered pumps.
Check your coverage →
Most insurance plans allow you to order your pump at anytime during pregnancy. Some plans let you order earlier. We'll check your specific eligibility window when you enter your insurance info.
Once your order is on file and all paperwork is received, your pump ships the same business day if that happens by 2 PM ET, or the next business day if not, and arrives 1–3 business days after it ships. We ship free via UPS, FedEx, and USPS.
Every pump comes with access to our care team, including IBCLCs (lactation consultants) who can help with sizing, settings, and technique. You can reach them via chat, email, or video call — all included at no extra cost.
Yes! Breast pumps are HSA/FSA eligible. If you're paying out of pocket or covering an upgrade, you can use your pre-tax health savings.
Verified reviews

Real moms. Real critiques.

Begin with coverage

Find out what your insurance covers —
in about 2 minutes.

From pumps to maternity supplies. No obligation, no phone calls — we handle the paperwork either way.

Eufy S1 Pro Upgrade fee may apply · rest covered
Check my coverage